| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable terminal and an application executing method for providing a service similar to an SIM adaptable to a SAT even if having an SIM unadaptable to the SAT. SOLUTION: A SAT function and an application are stored in an external storage device detachable from the portable terminal and when an SIM card connected to that terminal does not correspond to the SAT, the SAT function is downloaded from the external storage device. While using the downloaded SAT function, the application is executed.
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